Autonomous system
AS2506 SUPERCSI NTT WEST CHUGOKU CORPORATION
Unclassified APNIC
IPv4 addresses
214K
14 prefixes
IPv6 prefixes
1
counted as prefixes, not addresses
Countries
1
mostly JP
Flagged prefixes
0
none
Summary
NTT West (Chugoku)
isp residential eyeball legacy
SUPERCSI is a network of NTT West's Chugoku regional operation, part of the NTT West telecommunications group serving western Japan.
What it's used for
- Regional broadband internet access for homes and businesses in the Chugoku region.
Notable
- An eyeball access network (consumer/business subscribers) rather than a hosting or transit provider. The low AS number reflects an early Japanese-internet allocation from the NTT era.
This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy. Source, and how to suggest an edit.
Address space
Summary
| Country | Name | Prefixes |
|---|---|---|
| JP | Japan | 15 |
Registry
Allocation record
- Registry
- APNIC
- Handle
AS2506- Registry name
- SuperCSI
- Abuse contact
- hostmaster@nic.ad.jp
- Last changed
- 2026-01-09
- Status
- active
Reputation
Classification and threat
Unclassified Not in the curated lists. Most of the ~80,000 allocated ASNs are not.
No IC3 indicators Nothing from the FBI IC3 feed.
Threat data is alpha. Absence of an indicator is not evidence of good behaviour, only of absence from this one feed.
Elsewhere